Dyfyniad APA

ebrary, Inc, & Cooper, C. (2006). Physics. Helicon.

Dyfyniad Arddull Chicago

ebrary, Inc, and Christopher Cooper. Physics. Abingdon, Oxon: Helicon, 2006.

Dyfyniad MLA

ebrary, Inc, and Christopher Cooper. Physics. Helicon, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.